/* 
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

function createCookie(name, value,days) {
    var expires;
    if (days) {
      var date = new Date();
      date.setTime(date.getTime()+(days*24*60*60*1000));
      expires = "; expires="+date.toGMTString();
    }else{
      expires = "; expires = 2000";
    }
      document.cookie = name+"="+value+expires+"; path=/";
  }

  function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
      var c = ca[i];
      while (c.charAt(0)==' ') c = c.substring(1,c.length);
      if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
    }
    return null;
  }

  function eraseCookie(name) {
    Tools.createCookie(name,"",-1);
  }